Home / 19,271.13-28,861.32-16,171.06

Finding the Fourth Proportional to 19,271.13, 28,861.32 and 16,171.06

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Solution

The fourth proportional to 19,271.13, 28,861.32 and 16,171.06 is: 24,218.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.13 : 28,861.32 = 16,171.06 : x
  2. Step 2: Convert to fraction form
    19,271.13/28,861.32 = 16,171.06/x
  3. Step 3: Cross multiply
    19,271.13x = 28,861.32 × 16,171.06
  4. Step 4: Simplify right side
    19,271.13x = 466,718,137.40
  5. Step 5: Solve for x
    x = 466,718,137.40/19,271.13
  6. Step 6: Final answer
    x = 24,218.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.